Question

Which of the following polymers could not exist as isotactic and syndiotactic stereoisomers? a. Polystyrene b....

Which of the following polymers could not exist as isotactic and syndiotactic stereoisomers?

a. Polystyrene

b. Poly(methyl methacrylate)

c. 1,2-polybutadiene

d. 1,4-polybutadiene

I know the answer is D. but I would like to understand why that is the answer.

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Answer #1

Thus the correct option is D.

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